diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index e43b9f80bb1d..4afc419da60f 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -4207,6 +4207,12 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s)
 			s->failed++;
 			if (rdev && !test_bit(Faulty, &rdev->flags))
 				do_recovery = 1;
+			else if (!rdev) {
+				rdev = rcu_dereference(
+				    conf->disks[i].replacement);
+				if (rdev && !test_bit(Faulty, &rdev->flags))
+					do_recovery = 1;
+			}
 		}
 	}
 	if (test_bit(STRIPE_SYNCING, &sh->state)) {